Fabrication of electroless NiReP barrier layer on SiO2 without sputtered seed layer

Tetsuya Osaka, Nao Takano, Tetsuya Kurokawa, Kazuyoshi Ueno

研究成果: Article査読

45 被引用数 (Scopus)

抄録

A new fabrication process for an electrolessly deposited NiReP barrier layer on SiO2 is proposed for ultralarge scale integration applications. The NiReP film was formed electrolessly without sputtered seeds by utilizing a self-assembled monolayer (SAM) as an adhesion and catalyst layer. For the electroless deposition on the SiO2 layer covered with SAM, an acid or a neutral electroless deposition bath was suitable whereas an alkaline solution damaged the SiO2 surface. To fabricate a consistently uniform barrier film on the SAM/SiO2 surface, a two-step process, consisting of a nucleation step performed in an acid electroless deposition bath and a barrier layer formation step carried out in an alkaline bath, is proposed. The two-step process yielded satisfactory results, and the electroless NiReP barrier layer was successfully formed on the SAM/SiO2 surface in a high pH bath.

本文言語English
ページ(範囲)C7-C10
ジャーナルElectrochemical and Solid-State Letters
5
1
DOI
出版ステータスPublished - 2002 1 1

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Materials Science(all)
  • Physical and Theoretical Chemistry
  • Electrochemistry
  • Electrical and Electronic Engineering

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